[Mac] DialogBrowserTest implementation to invoke Content settings bubble dialogs.

chrome/browser/ui/location_bar/location_bar.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_LOCATION_BAR_LOCATION_BAR_H_
 #define CHROME_BROWSER_UI_LOCATION_BAR_LOCATION_BAR_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
@@ skipping 111 matching lines @@
 
   // Returns the visible ExtensionAction at |index|.
   virtual ExtensionAction* GetVisiblePageAction(size_t index) = 0;
 
   // Simulates a left mouse pressed on the visible page action at |index|.
   virtual void TestPageActionPressed(size_t index) = 0;
 
   // Returns whether or not the bookmark star decoration is visible.
   virtual bool GetBookmarkStarVisibility() = 0;
 
+  // Simulates a left mouse pressed on the content setting image at |index|.
+  // Returns false if there is none.
+  virtual bool TestContentSettingImagePressed(size_t index) = 0;
+
  protected:
   virtual ~LocationBarTesting() {}
 };
 
 #endif  // CHROME_BROWSER_UI_LOCATION_BAR_LOCATION_BAR_H_